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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-12 17:03:24 -0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-22 19:56:29 -0200 |
| commit | 70082dd92c4b288bd723a77897e2b555f0e63113 (patch) | |
| tree | 907a2d78fcaabc28cd4d034901e0eac800d1ed17 /tools/perf/util/evlist.c | |
| parent | dd7927f4f8ee75b032ff15aeef4bda49719a443a (diff) | |
| download | lwn-70082dd92c4b288bd723a77897e2b555f0e63113.tar.gz lwn-70082dd92c4b288bd723a77897e2b555f0e63113.zip | |
perf evsel: Introduce mmap support
Out of the code in 'perf top'. Record is next in line.
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 2abf949259d0..6d4129214ee8 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -60,3 +60,11 @@ int perf_evlist__alloc_pollfd(struct perf_evlist *evlist, int ncpus, int nthread evlist->pollfd = malloc(sizeof(struct pollfd) * nfds); return evlist->pollfd != NULL ? 0 : -ENOMEM; } + +void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd) +{ + fcntl(fd, F_SETFL, O_NONBLOCK); + evlist->pollfd[evlist->nr_fds].fd = fd; + evlist->pollfd[evlist->nr_fds].events = POLLIN; + evlist->nr_fds++; +} |